Mercurial > hg > truffle
diff src/cpu/sparc/vm/assembler_sparc.hpp @ 342:37f87013dfd8
6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
author | ysr |
---|---|
date | Thu, 05 Jun 2008 15:57:56 -0700 |
parents | b130b98db9cf |
children | 6aae2f9d0294 |
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--- a/src/cpu/sparc/vm/assembler_sparc.hpp Wed Jun 04 13:51:09 2008 -0700 +++ b/src/cpu/sparc/vm/assembler_sparc.hpp Thu Jun 05 15:57:56 2008 -0700 @@ -1439,7 +1439,11 @@ // pp 214 void save( Register s1, Register s2, Register d ) { emit_long( op(arith_op) | rd(d) | op3(save_op3) | rs1(s1) | rs2(s2) ); } - void save( Register s1, int simm13a, Register d ) { emit_long( op(arith_op) | rd(d) | op3(save_op3) | rs1(s1) | immed(true) | simm(simm13a, 13) ); } + void save( Register s1, int simm13a, Register d ) { + // make sure frame is at least large enough for the register save area + assert(-simm13a >= 16 * wordSize, "frame too small"); + emit_long( op(arith_op) | rd(d) | op3(save_op3) | rs1(s1) | immed(true) | simm(simm13a, 13) ); + } void restore( Register s1 = G0, Register s2 = G0, Register d = G0 ) { emit_long( op(arith_op) | rd(d) | op3(restore_op3) | rs1(s1) | rs2(s2) ); } void restore( Register s1, int simm13a, Register d ) { emit_long( op(arith_op) | rd(d) | op3(restore_op3) | rs1(s1) | immed(true) | simm(simm13a, 13) ); } @@ -1594,6 +1598,11 @@ inline void wrasi( Register d) { v9_only(); emit_long( op(arith_op) | rs1(d) | op3(wrreg_op3) | u_field(3, 29, 25)); } inline void wrfprs( Register d) { v9_only(); emit_long( op(arith_op) | rs1(d) | op3(wrreg_op3) | u_field(6, 29, 25)); } + // For a given register condition, return the appropriate condition code + // Condition (the one you would use to get the same effect after "tst" on + // the target register.) + Assembler::Condition reg_cond_to_cc_cond(RCondition in); + // Creation Assembler(CodeBuffer* code) : AbstractAssembler(code) { @@ -1630,6 +1639,8 @@ // restore global registers in case C code disturbed them static void restore_registers(MacroAssembler* a, Register r); + + }; @@ -1722,6 +1733,12 @@ void br_null ( Register s1, bool a, Predict p, Label& L ); void br_notnull( Register s1, bool a, Predict p, Label& L ); + // These versions will do the most efficient thing on v8 and v9. Perhaps + // this is what the routine above was meant to do, but it didn't (and + // didn't cover both target address kinds.) + void br_on_reg_cond( RCondition c, bool a, Predict p, Register s1, address d, relocInfo::relocType rt = relocInfo::none ); + void br_on_reg_cond( RCondition c, bool a, Predict p, Register s1, Label& L); + inline void bp( Condition c, bool a, CC cc, Predict p, address d, relocInfo::relocType rt = relocInfo::none ); inline void bp( Condition c, bool a, CC cc, Predict p, Label& L ); @@ -2055,9 +2072,23 @@ #endif // ASSERT public: - // Stores - void store_check(Register tmp, Register obj); // store check for obj - register is destroyed afterwards - void store_check(Register tmp, Register obj, Register offset); // store check for obj - register is destroyed afterwards + + // Write to card table for - register is destroyed afterwards. + void card_table_write(jbyte* byte_map_base, Register tmp, Register obj); + + void card_write_barrier_post(Register store_addr, Register new_val, Register tmp); + +#ifndef SERIALGC + // Array store and offset + void g1_write_barrier_pre(Register obj, Register index, int offset, Register tmp, bool preserve_o_regs); + + void g1_write_barrier_post(Register store_addr, Register new_val, Register tmp); + + // May do filtering, depending on the boolean arguments. + void g1_card_table_write(jbyte* byte_map_base, + Register tmp, Register obj, Register new_val, + bool region_filter, bool null_filter); +#endif // SERIALGC // pushes double TOS element of FPU stack on CPU stack; pops from FPU stack void push_fTOS();